Across
- 3. An unproven proposition
- 6. A triangle with a right angle in it
- 7. An equilateral rectangle
- 10. Where two lines meet
- 13. Half of the diameter
- 16. Moving a shape in a plane by adding or subtracting the x and/or y
- 17. A ____ extends forever in two directions
- 19. (2, -3) for one
- 20. A shape with 4 sides is a ______________
- 21. A ___________ has half the volume of a sphere
Down
- 1. The proof of a hypothess
- 2. Extends forever in all directions
- 4. How much a shape in a plane grows after the transformation
- 5. Two polygons with the same shape
- 8. A triangle with only acute angles.
- 9. An angle of a triangle that is less than 90 degrees
- 11. Equalshape and size
- 12. The circumference of a circle is π*_______
- 14. An angle in a triangle that is exactly 90 degrees
- 15. A polygon with 10 sides is a _______
- 18. 4/3πr^3 is the volume of a ______